Base | Representation |
---|---|
bin | 101010100001110… |
… | …1001000100011100 |
3 | 10200110012000200222 |
4 | 1111003221010130 |
5 | 10410304034022 |
6 | 353333540512 |
7 | 50235311240 |
oct | 12503510434 |
9 | 3613160628 |
10 | 1427018012 |
11 | 672572832 |
12 | 339aa4738 |
13 | 19984b374 |
14 | d7746420 |
15 | 85430242 |
hex | 550e911c |
1427018012 has 48 divisors (see below), whose sum is σ = 3033676800. Its totient is φ = 573364992.
The previous prime is 1427018011. The next prime is 1427018017. The reversal of 1427018012 is 2108107241.
It is a super-3 number, since 3×14270180123 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1427018011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119489 + ... + 130887.
It is an arithmetic number, because the mean of its divisors is an integer number (63201600).
Almost surely, 21427018012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1427018012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516838400).
1427018012 is an abundant number, since it is smaller than the sum of its proper divisors (1606658788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1427018012 is a wasteful number, since it uses less digits than its factorization.
1427018012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11690 (or 11688 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 1427018012 is about 37775.8919418192. The cubic root of 1427018012 is about 1125.8395082261.
The spelling of 1427018012 in words is "one billion, four hundred twenty-seven million, eighteen thousand, twelve".
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